UV-induced fluorescence spectroscopy of skin in vivo in Parkinson’s disease

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We found characteristic patterns of UV-induced skin autofluorescence in patients with Parkinson’s disease associated with the development of dysmetabolic alterations like non-enzymatic protein glycation and an increase in the extracellular matrix stiffness, impaired metabolism of tissue fluorophores, mitochondrial dysfunction, and accumulation of aberrant proteins. For the first time, we demonstrate the key differences in the skin autofluorescence spectra in Parkinson’s disease that allow distinguishing them from those obtained in healthy persons or in individuals without signs of chronic neurodegeneration: skin fluorescence is lower in relation to the reflected signal when it is excited by UV light with a wavelength of 375 nm in patients with Parkinson’s disease.

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作者简介

V. Salmin

Moscow Institute of Physics and Technology; Bauman Moscow State Technical University; National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

编辑信件的主要联系方式.
Email: vsalmin@gmail.com
俄罗斯联邦, Dolgoprudny; Moscow; Moscow

V. Loschenov

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute); Prokhorov General Physics Institute of the Russian Academy of Sciences

Email: vsalmin@gmail.com
俄罗斯联邦, Moscow; Moscow

A. Ochirova

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: vsalmin@gmail.com
俄罗斯联邦, Moscow

N. Bainaev-Mangilev

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: vsalmin@gmail.com
俄罗斯联邦, Moscow

M. Andreev

Research Center of Neurology

Email: vsalmin@gmail.com
俄罗斯联邦, Moscow

E. Fedotova

Research Center of Neurology

Email: vsalmin@gmail.com
俄罗斯联邦, Moscow

A. Salmina

Research Center of Neurology

Email: vsalmin@gmail.com
俄罗斯联邦, Moscow

S. Illarioshkin

Research Center of Neurology

Email: vsalmin@gmail.com

Academician of thе RAS

俄罗斯联邦, Moscow

参考

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补充文件

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1. JATS XML
2. Fig. 1. Distribution of Z-scores by wavelengths with different normalization in pairwise comparison of clinical groups.

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3. Fig. 2. Autofluorescence spectra for groups with and without BP using D-normalization.

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4. Fig. 3. Relative fluorescence in groups with and without BP.

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